Home / 783,530.80-1,175,334.60-410,282.80

Finding the Fourth Proportional to 783,530.80, 1,175,334.60 and 410,282.80

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Solution

The fourth proportional to 783,530.80, 1,175,334.60 and 410,282.80 is: 615,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,530.80 : 1,175,334.60 = 410,282.80 : x
  2. Step 2: Convert to fraction form
    783,530.80/1,175,334.60 = 410,282.80/x
  3. Step 3: Cross multiply
    783,530.80x = 1,175,334.60 × 410,282.80
  4. Step 4: Simplify right side
    783,530.80x = 482,219,570,624.88
  5. Step 5: Solve for x
    x = 482,219,570,624.88/783,530.80
  6. Step 6: Final answer
    x = 615,444.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.